A
B
C
D
E
F
G
H
I
J
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
2A3/4
Memory copy PCB
10
/
12
3-7-35
$001
SIMMD (31:0)
MCP 2AC (304:1)
(003-15A)
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
3
2
1
0
7
6
5
4
11
10
9
8
15
14
13
12
19
18
17
16
23
22
21
20
27
26
25
24
31
30
29
28
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
8
7
6
5
1
2
3
4
RA97
RA95
RA92
RA90
RA96
RA94
RA93
RA91
RA56
235 SMGDIR
234 SMGLOE_
233 SMGHOE_
C70
C68
C69
C67
L74
L71
L73
L72
C75
C72
C74
C73
R73
R70
R72
R71
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
18
17
16
15
14
13
12
11
18
17
16
15
14
13
12
11
18
17
16
15
14
13
12
11
18
17
16
15
14
13
12
11
15
14
13
12
11
10
9
8
15
14
13
12
11
10
9
8
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
2
3
4
5
6
7
8
9
10
2
3
4
5
6
7
8
9
10
2
3
4
5
6
7
8
9
10
2
3
4
5
6
7
8
9
10
U24
U21
U23
U22
A0
A1
A2
A3
A4
A5
A6
A7
GND
A0
A1
A2
A3
A4
A5
A6
A7
GND
A0
A1
A2
A3
A4
A5
A6
A7
GND
A0
A1
A2
A3
A4
A5
A6
A7
GND
B0
B1
B2
B3
B4
B5
B6
B7
B0
B1
B2
B3
B4
B5
B6
B7
B0
B1
B2
B3
B4
B5
B6
B7
B0
B1
B2
B3
B4
B5
B6
B7
20
20
20
20
_OE
T_R
_OE
T_R
_OE
T_R
_OE
T_R
19
1
19
1
19
1
19
1
BCD (15:0)
BSD (31:0)
VPL5
$002
CPUD (15:0)
Vcc
Vcc
Vcc
Vcc
GPL5
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
3
2
1
0
7
6
5
4
11
10
9
8
15
14
13
12
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
8
7
6
5
1
2
3
4
8
7
6
5
1
2
3
4
RA86
RA89
RA87
RA88
$001 SIMMD (005-14H) (006-14H) (008-16B)
$002 CPUD (002-02H) (004-03A) (008-01D)
(009-01D)
Summary of Contents for Ri 4230
Page 3: ...SERVICE MANUAL Ri 4230 5230 ...
Page 13: ...4230 5230 S M MCA THEORY AND CONSTRUCTION SECTION I I Theory and Construction Section ...
Page 14: ...1 1 5 2A3 4 CONTENTS 1 1 Specifications 1 1 1 Specifications 1 1 1 ...
Page 100: ...4230 5230 S M MCA ELECTRICAL SECTION II II Electrical Section ...
Page 119: ......
Page 138: ......
Page 159: ...4230 5230 S M MCA III Set Up and Adjustment Section III SET UP AND ADJUSTMENT SECTION ...
Page 448: ...2A3 4 3 6 3 25 Toner scatters at the leading edge of the image See page 3 6 17 ...